diff --git a/FL/Fl_Tree_Item.H b/FL/Fl_Tree_Item.H
index 45cc4fd59..993c9f8da 100644
--- a/FL/Fl_Tree_Item.H
+++ b/FL/Fl_Tree_Item.H
@@ -275,9 +275,15 @@ public:
   }
   const Fl_Tree_Prefs& prefs() const;
   /// Return the tree for this item.
+  /// \version 1.3.3
   const Fl_Tree *tree() const {
     return(_tree);
   }
+  /// Return the tree for this item.
+  /// \version 1.3.4
+  Fl_Tree *tree() {
+    return(_tree);
+  }
   //////////////////
   // State
   //////////////////